diff options
Diffstat (limited to 'arch/mips64/mm')
| -rw-r--r-- | arch/mips64/mm/init.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/arch/mips64/mm/init.c b/arch/mips64/mm/init.c index 2b889669c..7d1fce965 100644 --- a/arch/mips64/mm/init.c +++ b/arch/mips64/mm/init.c @@ -1,4 +1,4 @@ -/* $Id: init.c,v 1.5 1999/11/23 17:12:50 ralf Exp $ +/* $Id: init.c,v 1.5 1999/12/04 03:59:00 ralf Exp $ * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -348,7 +348,7 @@ mem_init(unsigned long start_mem, unsigned long end_mem) { int codepages = 0; int datapages = 0; - unsigned long tmp; + unsigned long tmp, etext, ftext; extern int _etext, _ftext; #ifdef CONFIG_MIPS_JAZZ @@ -361,6 +361,14 @@ mem_init(unsigned long start_mem, unsigned long end_mem) high_memory = (void *)end_mem; num_physpages = 0; + etext = (unsigned long) &_etext; + ftext = (unsigned long) &_ftext; +#ifdef CONFIG_BOOT_ELF64 + /* Use etext/ftext value in XPHYS */ + etext = PAGE_OFFSET | CPHYSADDR(etext); + ftext = PAGE_OFFSET | CPHYSADDR(ftext); +#endif + /* mark usable pages in the mem_map[] */ start_mem = PAGE_ALIGN(start_mem); @@ -378,11 +386,9 @@ mem_init(unsigned long start_mem, unsigned long end_mem) if (tmp >= MAX_DMA_ADDRESS) clear_bit(PG_DMA, &mem_map[MAP_NR(tmp)].flags); if (PageReserved(mem_map+MAP_NR(tmp))) { - if ((tmp < (unsigned long) &_etext) && - (tmp >= (unsigned long) &_ftext)) + if ((tmp < etext) && (tmp >= ftext)) codepages++; - else if ((tmp < start_mem) && - (tmp > (unsigned long) &_etext)) + else if ((tmp < start_mem) && (tmp > etext)) datapages++; continue; } @@ -412,15 +418,17 @@ extern void prom_free_prom_memory(void); void free_initmem(void) { - unsigned long addr; + unsigned long addr, page; - prom_free_prom_memory (); + prom_free_prom_memory(); addr = (unsigned long)(&__init_begin); - for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) { - mem_map[MAP_NR(addr)].flags &= ~(1 << PG_reserved); - set_page_count(mem_map + MAP_NR(addr), 1); - free_page(addr); + while (addr < (unsigned long)&__init_end) { + page = PAGE_OFFSET | CPHYSADDR(addr); + mem_map[MAP_NR(page)].flags &= ~(1 << PG_reserved); + set_page_count(mem_map + MAP_NR(page), 1); + free_page(page); + addr += PAGE_SIZE; } printk("Freeing unused kernel memory: %ldk freed\n", (&__init_end - &__init_begin) >> 10); |